Do You Know the Common Facts About Gasoline? You are around gasoline everyday, but not everyone realizes that gasoline is the most common flammable liquid manufactured and used. Because we use it so often, we sometimes forget some common facts about this flammable liquid: Gasoline as a liquid does not burn – it is the vapors that the liquid gives off that burn. Vapors usually cannot be seen but frequently travel long distances to a source of ignition. Thus the gasoline can be located a great distance from an actual ignition source. Gasoline gives off enough vapor to flash, when exposed...